package dao;

import java.util.ArrayList;

import dao.pojo.Problem;

public interface ProblemDao {
	
	public void addProblem(Problem pro);
	
	public void updateProblem(Problem pro);
	
	public void deleteProblem(Problem pro);
	
	public Problem getProblem(Problem pro);
	
	public ArrayList<Problem> getAllProblem();

}
